How To Fix BOS01305 - Billing plan for unit price contract not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 305

• Message text: Billing plan for unit price contract not allowed

What causes this issue?

You have chosen a BOS type for which the unit price contract has been
defined as form of contract.

System Response

The system does not allow you to create a billing plan.

How to fix this error?

Settlement of the unit price contract takes place using service entry.
If you want to bill using a billing plan, choose a BOS type for which a
flat-rate price contract form has been defined.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BOS01305 - Billing plan for unit price contract not allowed ?

  The SAP error message BOS01305 indicates that there is an issue with the billing plan for a unit price contract. This error typically arises when the system detects that the billing plan configuration does not align with the requirements of the unit price contract.
  Cause:
  
  Incompatible Billing Plan: The billing plan defined for the contract may not be compatible with the unit price contract type. Unit price contracts usually require specific billing plans that allow for periodic billing based on the quantity delivered or services rendered.
  Configuration Issues: There may be configuration settings in the SAP system that do not support the billing plan for the specific contract type.
  Contract Type Restrictions: Certain contract types may have restrictions on the billing plans that can be used, leading to this error when an incompatible billing plan is assigned.
  
  Solution:
  
  
  Check Billing Plan Configuration:
  
  Review the billing plan assigned to the contract. Ensure that it is compatible with unit price contracts.
  Navigate to the configuration settings in SAP (Transaction code: SPRO) and check the settings for billing plans under Sales and Distribution (SD) or Contract Management.
  
  
  
  Change the Billing Plan:
  
  If the current billing plan is not suitable, consider changing it to a compatible one. You can do this in the contract details by selecting a different billing plan that aligns with the unit price contract requirements.
  
  
  
  Review Contract Type Settings:
  
  Check the settings for the contract type being used. Ensure that the contract type allows for the billing plan you are trying to use. You may need to consult with your SAP configuration team to adjust these settings if necessary.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on billing plans and unit price contracts. This can provide insights into the correct configurations and any limitations.
  
  
  
  Testing:
  
  After making changes, test the contract to ensure that the error is resolved and that billing can proceed without issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VA41 (Create Contract), VA42 (Change Contract), and VA43 (Display Contract) to manage contracts effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address known issues.
  User Roles: Ensure that you have the necessary permissions to make changes to contracts and billing plans in the SAP system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Sales and Distribution (SD) to further investigate the problem.